Tag Direction -- Asymptote Gallery

🔗Asymptote Gallery Tagged by “Direction” #88

🔗generalities-fig057

Figure generalities 057 Generated with Asymptote

size(8cm,0);

transform t=xscale(1.25);
pen p1=blue, p2=yellow;
pair pa=t*dir(135), pb=t*dir(-45);

axialshade(t*unitcircle,p1,pa,p2,pb);
draw(pa--pb, dashed);

🔗generalities-fig063

Show generalities/fig0630.asy on Github.
Generated with Asymptote 3.00-0.
Categories : Examples 2D | Generalities
Tags : #Basis | #Point/Dot | #Direction

pair O=0;

dot("N",O,N);
dot("S",O,S);
dot("E",O,E);
dot("W",O,W);

🔗generalities-fig064

Figure generalities 064 Generated with Asymptote

pair O=0;
labelmargin=2;

dot("N",O,N);
dot("S",O,S);
dot("E",O,E);
dot("W",O,W);

🔗generalities-fig065

Figure generalities 065 Generated with Asymptote

size(10cm,0);

pair O=0;
dot("N",O,10N);
draw("S",O,10S);
draw("E",O,10E);
draw("W",O,10W);

draw("NE",O,5NE);
draw("SE",O,5SE);
draw("NW",O,5NW);
draw("SW",O,5SW);

🔗generalities-fig066

Figure generalities 066 Generated with Asymptote

pair O=0;
draw(scale(2)*Label("N",.8red),O,10*N,linewidth(3mm));
draw(scale(2)*Label("S",.8red),O,10*S);
draw(scale(2)*Label("E",.8red),O,10*E);
draw(scale(2)*Label("W",.8red),O,10*W);

draw(rotate(45)*Label("NE"),O,5NE);
draw(rotate(-45)*Label("SE"),O,5SE);
draw(rotate(-45)*Label("NW"),O,5NW);
draw(rotate(45)*Label("SW"),O,5SW);

🔗generalities-fig080

Figure generalities 080 Generated with Asymptote

Show generalities/fig0800.asy on Github.
Generated with Asymptote 3.00-0.
Categories : Examples 2D | Generalities
Tags : #Basis | #Direction

size(6cm,0);
path line1=(0,0)--(1,0);
path line2=(0,0)--(1,1);
pair bissec=dir(line1,line2);

draw(line1); draw(line2);
dot(bissec,linewidth(3bp));
draw(-.5bissec--bissec,dotted);
dot("$A$",(0,0),-bissec);

🔗generalities-fig081

Figure generalities 081 Generated with Asymptote

Show generalities/fig0810.asy on Github.
Generated with Asymptote 3.00-0.
Categories : Examples 2D | Generalities
Tags : #Basis | #Direction

size(6cm,0);
pair A=0, B=(1,0), C=(2,2);;

draw(A--B--C--cycle);
dot("$A$",A,dir(C--A,B--A));
dot("$B$",B,dir(C--B,A--B));
dot("$C$",C,dir(A--C,B--C));

🔗generalities-fig154

Figure generalities 154 Generated with Asymptote

size(0,0);

pair [] P, Q, R, S;
real u=1cm;

for (int i=0; i<=4; ++i)
  P[i] = rotate(i*360/5)*(0,-u);

P[5] = P[0];
for (int i=0; i<=4; ++i)
  Q[i] = 3*midpoint(P[i]--P[i+1]);

Q[5] = Q[0];
for (int i=0; i<=4; ++i)
  R[i] = 1/3*( Q[i] + Q[i+1] + P[i+1] );

R[5] = R[0];
for (int i=0; i<=5; ++i)
  S[i] = 1.5*Q[i];

for (int i=0; i<=4; ++i)
  {
    draw(P[i]   -- P[i+1]);
    draw(P[i+1] -- R[i]);
    draw(Q[i]   -- R[i]);
    draw(R[i]   -- Q[i+1]);
    draw(Q[i]   -- S[i]);
    draw(S[i]   -- S[i+1]);
    label(format("\small$P_%i$",i),P[i],-unit(P[i]));
    label(format("\small$Q_%i$",i),Q[i],rotate(60)*unit(Q[i]));
    label(format("\small$R_%i$",i),R[i],unit(R[i]));
    label(format("\small$S_%i$",i),S[i],unit(S[i]));
  }

🔗generalities-fig175

Figure generalities 175 Generated with Asymptote

import graph;
size(8cm,0);

path a = polargraph(new real(real t){return t;}, 0, 3pi, operator ..);
path b = polargraph(new real(real t){return 2t;}, 0, 3.75pi, operator ..);

real sharp=40;
path c=relpoint(a,1){relpoint(a,1)-postcontrol(a,length(a)-1)}..{dir(sharp)}relpoint(b,1);

fill(a..c..reverse(b)&cycle,0.8*red);
shipout(bbox(2mm, Fill(0.15*blue)));